stm32f7_clock.h

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/*
 * Copyright (c) 2022 STMicroelectronics
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32F7_CLOCK_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32F7_CLOCK_H_
 
#include "stm32_common_clocks.h"
 
#define STM32_CLOCK_BUS_AHB1 0x030
#define STM32_CLOCK_BUS_AHB2 0x034
#define STM32_CLOCK_BUS_AHB3 0x038
#define STM32_CLOCK_BUS_APB1 0x040
#define STM32_CLOCK_BUS_APB2 0x044
#define STM32_CLOCK_BUS_APB3 0x0A8
 
#define STM32_PERIPH_BUS_MIN STM32_CLOCK_BUS_AHB1
#define STM32_PERIPH_BUS_MAX STM32_CLOCK_BUS_APB3
 
/* RM0386, 0390, 0402, 0430 § Dedicated Clock configuration register (RCC_DCKCFGRx) */
 
/* defined in stm32_common_clocks.h */
 
/* Low speed clocks defined in stm32_common_clocks.h */
#define STM32_SRC_HSI (STM32_SRC_LSI + 1)
#define STM32_SRC_PLL_P (STM32_SRC_HSI + 1)
#define STM32_SRC_PLL_Q (STM32_SRC_PLL_P + 1)
#define STM32_SRC_PLL_R (STM32_SRC_PLL_Q + 1)
#define STM32_SRC_PCLK (STM32_SRC_PLL_R + 1)
 
 
#define STM32_CLOCK_REG_MASK 0xFFU
#define STM32_CLOCK_REG_SHIFT 0U
#define STM32_CLOCK_SHIFT_MASK 0x1FU
#define STM32_CLOCK_SHIFT_SHIFT 8U
#define STM32_CLOCK_MASK_MASK 0x7U
#define STM32_CLOCK_MASK_SHIFT 13U
#define STM32_CLOCK_VAL_MASK 0x7U
#define STM32_CLOCK_VAL_SHIFT 16U
 
#define STM32_CLOCK(val, mask, shift, reg) \
 ((((reg) & STM32_CLOCK_REG_MASK) << STM32_CLOCK_REG_SHIFT) | \
 (((shift) & STM32_CLOCK_SHIFT_MASK) << STM32_CLOCK_SHIFT_SHIFT) | \
 (((mask) & STM32_CLOCK_MASK_MASK) << STM32_CLOCK_MASK_SHIFT) | \
 (((val) & STM32_CLOCK_VAL_MASK) << STM32_CLOCK_VAL_SHIFT))
 
#define CFGR_REG 0x08
 
#define BDCR_REG 0x70
 
#define I2S_SEL(val) STM32_CLOCK(val, 1, 23, CFGR_REG)
#define RTC_SEL(val) STM32_CLOCK(val, 3, 8, BDCR_REG)
 
#define DCKCFGR1_REG 0x8C
#define DCKCFGR2_REG 0x90
 
#define USART1_SEL(val) STM32_CLOCK(val, 3, 0, DCKCFGR2_REG)
#define USART2_SEL(val) STM32_CLOCK(val, 3, 2, DCKCFGR2_REG)
#define USART3_SEL(val) STM32_CLOCK(val, 3, 4, DCKCFGR2_REG)
#define USART4_SEL(val) STM32_CLOCK(val, 3, 6, DCKCFGR2_REG)
#define USART5_SEL(val) STM32_CLOCK(val, 3, 8, DCKCFGR2_REG)
#define USART6_SEL(val) STM32_CLOCK(val, 3, 10, DCKCFGR2_REG)
#define USART7_SEL(val) STM32_CLOCK(val, 3, 12, DCKCFGR2_REG)
#define USART8_SEL(val) STM32_CLOCK(val, 3, 14, DCKCFGR2_REG)
#define I2C1_SEL(val) STM32_CLOCK(val, 3, 16, DCKCFGR2_REG)
#define I2C2_SEL(val) STM32_CLOCK(val, 3, 18, DCKCFGR2_REG)
#define I2C3_SEL(val) STM32_CLOCK(val, 3, 20, DCKCFGR2_REG)
#define I2C4_SEL(val) STM32_CLOCK(val, 3, 22, DCKCFGR2_REG)
#define LPTIM1_SEL(val) STM32_CLOCK(val, 3, 24, DCKCFGR2_REG)
#define CEC_SEL(val) STM32_CLOCK(val, 1, 26, DCKCFGR2_REG)
#define CK48M_SEL(val) STM32_CLOCK(val, 1, 27, DCKCFGR2_REG)
#define SDMMC1_SEL(val) STM32_CLOCK(val, 1, 28, DCKCFGR2_REG)
#define SDMMC2_SEL(val) STM32_CLOCK(val, 1, 29, DCKCFGR2_REG)
#define DSI_SEL(val) STM32_CLOCK(val, 1, 30, DCKCFGR2_REG)
 
#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32F7_CLOCK_H_ */